Classification: Humanoid.

Appearance: The Jem'Hadar are a reptilian race and are covered with tough grey-blue scales. Although their facial patterns vary, they generally consist of bone ridges running along the jaw and protruding at the side of the head. There is usually a large ridge of bone running along the center of the head.

Lifespan: Unknown.

Unique Abilities: None.

Personality Traits: The Jem'Hadar have very aggressive instincts with a natural urge to fight. They seem somewhat arrogant and have a genetically programmed respect for Changelings, who they worship as gods. They tolerate the leadership of the Vorta, and think that all other races are inferior to themselves.

Government: The Jem'Hadar are used as soldiers by the Dominion, they follow the orders of the Changelings and the Vorta.

Organization: Enemy of the United Federation of Planets.